Yttrium(III) bromide

Yttrium(III) bromide[1]
Names
	IUPAC name Yttrium(III) bromide
	Other names Yttrium tribromide
Identifiers
CAS Number	13469-98-2 ;
3D model (JSmol)	Interactive image;
ChemSpider	75340 ;
ECHA InfoCard	100.033.375
EC Number	236-728-2;
PubChem CID	83505;
UNII	D60QT594ZJ;
CompTox Dashboard (EPA)	DTXSID4065494 ;
	InChI InChI=1S/3BrH.Y/h31H;/q;;;+3/p-3 Key: FSDCGXUNLWDJNL-UHFFFAOYSA-K ; InChI=1/3BrH.Y/h31H;/q;;;+3/p-3 Key: FSDCGXUNLWDJNL-DFZHHIFOAK;
	SMILES Br[Y](Br)Br;
Properties
Chemical formula	YBr3
Molar mass	328.618 g/mol
Appearance	colorless hygroscopic crystals
Melting point	904 °C (1,659 °F; 1,177 K)
Solubility in water	83.3 g/100 mL at 30°C
Structure
Crystal structure	Trigonal, hR24
Space group	R-3, No. 148
Hazards
EU classification (DSD) (outdated)	Xi
NFPA 704 (fire diamond)	0 1 0
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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	Infobox references

Yttrium(III) bromide is an inorganic compound with the chemical formula YBr₃. It is a white solid. Anhydrous yttrium(III) bromide can be produced by reacting yttrium oxide or yttrium(III) bromide hydrate and ammonium bromide. The reaction proceeds via the intermediate (NH₄)₃YBr₆.[3] Another method is to react yttrium carbide (YC₂) and elemental bromine.[4] Yttrium(III) bromide can be reduced by yttrium metal to YBr or Y₂Br₃.[5] It can react with osmium to produce Y₄Br₄Os.[6]

References

Lide, David R. (1998), Handbook of Chemistry and Physics (87 ed.), Boca Raton, Florida: CRC Press, pp. 4–94, ISBN 0-8493-0594-2
http://www.sigmaaldrich.com/catalog/product/aldrich/451355?lang=en&region=US
Gerd Meyer, Siegfried Dötsch, Thomas Staffel (1987). "The ammonium-bromide route to anhydrous rare earth bromides MBr3". Journal of the Less Common Metals. 127: 155–160. doi:10.1016/0022-5088(87)90372-9.CS1 maint: multiple names: authors list (link)
Mussler, R. E.; Campbell, T. T.; Block, F. E.; Robidart, G. B. Metallothermic reduction of yttrium halides. Bureau of Mines Report of Investigations, 1963. 6259. pp 21.
H. Mattausch, J. B. Hendricks, R. Eger, J. D. Corbett, A. Simon (1980). "Reduced halides of yttrium with strong metal-metal bonding: yttrium monochloride, monobromide, sesquichloride, and sesquibromide". Inorganic Chemistry. 19 (7): 2128–2132. doi:10.1021/ic50209a057. ISSN 0020-1669.CS1 maint: multiple names: authors list (link)
Peter K. Dorhout, John D. Corbett (1992). "A novel structure type in reduced rare-earth metal halides. One-dimensional confacial chains based on centered square antiprismatic metal units: Y4Br4Os and Er4Br4Os". Journal of the American Chemical Society. 114 (5): 1697–1701. doi:10.1021/ja00031a024. ISSN 0002-7863.

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[hand-1] Lide, David R. (1998), Handbook of Chemistry and Physics (87 ed.), Boca Raton, Florida: CRC Press, pp. 4–94, ISBN 0-8493-0594-2

[2] ttp://www.sigmaaldrich.com/catalog/product/aldrich/451355?lang=en&region=US

[3] Gerd Meyer, Siegfried Dötsch, Thomas Staffel (1987). "The ammonium-bromide route to anhydrous rare earth bromides MBr3". Journal of the Less Common Metals. 127: 155–160. doi:10.1016/0022-5088(87)90372-9.CS1 maint: multiple names: authors list (link)

[4] Mussler, R. E.; Campbell, T. T.; Block, F. E.; Robidart, G. B. Metallothermic reduction of yttrium halides. Bureau of Mines Report of Investigations, 1963. 6259. pp 21.

[5] H. Mattausch, J. B. Hendricks, R. Eger, J. D. Corbett, A. Simon (1980). "Reduced halides of yttrium with strong metal-metal bonding: yttrium monochloride, monobromide, sesquichloride, and sesquibromide". Inorganic Chemistry. 19 (7): 2128–2132. doi:10.1021/ic50209a057. ISSN 0020-1669.CS1 maint: multiple names: authors list (link)

[6] Peter K. Dorhout, John D. Corbett (1992). "A novel structure type in reduced rare-earth metal halides. One-dimensional confacial chains based on centered square antiprismatic metal units: Y4Br4Os and Er4Br4Os". Journal of the American Chemical Society. 114 (5): 1697–1701. doi:10.1021/ja00031a024. ISSN 0002-7863.